Delta Electronics VFD-VL Network Card User Manual


 
Chapter 4 Parameters|
Revision Nov. 2008, VLE1, SW V1.03 4-91
CRC CHK Low 86H CRC CHK Low 86H
CRC CHK High 22H CRC CHK High 22H
(3) 10H: write multiple registers (write multiple data to registers)
Example: Set the multi-step speed,
Pr.04-00=50.00 (1388H), Pr.04-01=40.00 (0FA0H). AC drive address is 01H.
ASCII Mode:
Command message: Response message:
STX ‘:’ STX ‘:’
Address 1 ‘0’ Address 1 ‘0’
Address 0 ‘1’ Address 0 ‘1’
Function 1 ‘1’ Function 1 ‘1’
Function 0 ‘0’ Function 0 ‘0’
‘0’ ‘0’
‘5’ ‘5’
‘0’ ‘0’
Starting data
address
‘0’
Starting data
address
‘0’
‘0’ ‘0’
‘0’ ‘0’
‘0’ ‘0’
Number of data
(count by word)
‘2’
Number of data
(count by word)
‘2’
‘0’ ‘E’
Number of data
(count by byte)
‘4’
LRC Check
‘8’
‘1’ CR
‘3’
END
LF
‘8’
The first data
content
‘8’
‘0’
‘F’
‘A’
The second data
content
‘0’
‘9’
LRC Check
‘A’
CR
END
LF
RTU mode:
Command message: Response message:
Address 01H Address 01H
Function 10H Function 10H
05H 05H Starting data
address
00H
Starting data address
00H
00H’ 00H Number of data
(count by word)
02H
Number of data
(count by word)
02H
Number of data
(count by byte)
04 CRC Check Low 41H
13H CRC Check High 04H The first data
content
88H
0FH The second data
content
A0H
CRC Check Low ‘9’
CRC Check High ‘A’